Active Preheater Temperature Errors (Guided Troubleshooting) - WKB95195

SYMPTOMS

• Any of the following Active Preheater temperature errors occur
  • Error: Column active preheater over-temp switch h/w fault
  • Error: Column active preheater over temp fuse h/w fault
  • Error: Column active preheater temperature sensor h/w fault

ENVIRONMENT

• ACQUITY UPLC H-Class
• ACQUITY UPLC I-Class
• ACQUITY UPLC H-Class PLUS
• ACQUITY UPLC I-Class PLUS
• CH-A
• CH30A
• CM-A
• CM-Aux

STRATEGY

1. Reseat connections - WKB92139 
2. Replace Active Preheater - WKB4114

ADDITIONAL INFORMATION